`token`, `filesize`, `filename`, `pdf_information`, and `mimetype` are allowed only when `is_directory` == `False`. `filename` is required in this case. Sources: - https://github.com/OpenSlides/OpenSlides/wiki/Mediafiles - schema of `mediafile.upload` backend-action
token,filesize,filename,pdf_information, andmimetypeare allowed only whenis_directory==False.filenameis required in this case. Sources:mediafile.uploadbackend-action